Euthyroid Sick Syndromes (definition)

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ψ	Euthyroid Sick Syndromes

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Definition: Conditions of abnormal THYROID HORMONES release in patients with apparently normal THYROID GLAND during severe systemic illness, physical TRAUMA, and psychiatric disturbances. It can be caused by the loss of endogenous hypothalamic input or by exogenous drug effects. The most common abnormality results in low T3 THYROID HORMONE with progressive decrease in THYROXINE; (T4) and TSH. Elevated T4 with normal T3 may be seen in diseases in which THYROXINE-BINDING GLOBULIN synthesis and release are increased.

differentiate from THYROID HORMONE RESISTANCE SYNDROME where no other disease is present
See Also Thyroid Hormone Resistance Syndrome

Other names Low T3 Syndrome; High T4 Syndrome; Syndromes, Non-Thyroidal Illness; Syndrome, Sick Euthyroid; Syndrome, Non-Thyroidal Illness; Non Thyroidal Illness Syndrome; Low T3 Low T4 Syndrome; High T4 Syndromes; Euthyroid Sick Syndrome; Sick Euthyroid Syndrome; Non-Thyroidal Illness Syndrome; Low T3-Low T4 Syndrome; Low T3-High T4 Syndrome; Low T3 and Low T4 Syndrome; Low T3 High T4 Syndrome

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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